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Old 04-15-2020, 08:00 AM   #1
DarthFaderZ
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Default Aura XE trans issue?

I've searched about this and dont feel satisfied with the information in regards to matching symptoms.

My 09 aura xe, has 123xxx miles on it. In the last week has started developing a weird tendency to not shift from random gears under acceleration unless I back off the pedal, or if i switch to manual mode I can control it a bit better, but that sometimes doesn't guarantee it wont occur.


Occasionally,also, reverse feels weak.

Since the wave plate repair, isnt covered anymore, also not sure that's what it is, and every time I've had an auto trans rebuilt by a shop its come back as hot garbage.....should i just call it on the car.....is it possible trans service may save it or is she becoming a lost cause since a new tranny is around 4gs, basically more than the cars worth at this point
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Old 04-16-2020, 04:00 AM   #2
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2008 AURA XE
Default Re: Aura XE trans issue?

Is the check engine light on? Any codes?
Are there any signs of transmission fluid leakage?
It wouldn't hurt to get the fluid level checked since it is possible your symptoms could be related to low fluid.
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2008 Saturn Aura XE 3.5L 4 spd
2000 Saturn SL1 1.9L SOHC (Retired)
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Old 05-05-2020, 02:43 PM   #3
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Default Re: Aura XE trans issue?

Sorry for delay been busy.

No leak signage i can see.

Later that day I went to ton the store and reverse just stopped working...pulled out straight from parking spot, kept it in manual mode and could skip 3 and 5 which were acting up...but then while driving in 4th, car bucked once and popped my engine light on, and manual mode....disabled?..the info disappeared about what gear i was in. At this point car was locked in first gear, in what seems like a limp mode.

I havent touched it since. I pulled battery cables to reset codes hoping i could manually shift it to get it somewhere but have been gun shy to do so
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Old 05-05-2020, 03:28 PM   #4
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2008 AURA XE
Default Re: Aura XE trans issue?

The best thing you could do at this point is to make sure the fluid level is ok and read out the codes. The trouble codes might help pinpoint the cause of the problem. If you are lucky it's a failed pressure control solenoid.
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Old 05-22-2020, 03:20 PM   #5
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Default Re: Aura XE trans issue?

Will that make a similar issue to the wave plate failure?

I'm afraid to start cracking into it to far because of limited resources and such....and the place I'm loving currently doesn't let me work on it on property
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Old 05-22-2020, 07:41 PM   #6
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2008 AURA XE
Default Re: Aura XE trans issue?

Quote:
Originally Posted by DarthFaderZ View Post
Will that make a similar issue to the wave plate failure?

I'm afraid to start cracking into it to far because of limited resources and such....and the place I'm loving currently doesn't let me work on it on property
From what I've been reading, it's not if the wave plate will break but when.
Getting a list of any trouble codes set by the transmission is the first step.

Fluid check procedure:
https://atracom.blob.core.windows.ne...eb/atb1725.pdf

This article describes some of the symptoms of a wave plate failure.
https://www.acadiaforum.net/threads/...mission.12424/

6T40/45 Diagnosis and Fixes
https://gearsmagazine.com/magazine/6...agnosis-fixes/

Understanding GM 6T40 Solenoids
https://gearsmagazine.com/magazine/u...t40-solenoids/

6T40 Troubleshooting, Diagnostic Help! (List of trouble codes)
https://www.trnw.net/z-search/6T40.php

This forum discusses wave plate failure on the Outlook 6T75, beefed up version of 6T40
https://www.saturnoutlookforum.net/t...-failure.1672/
...
2008 Saturn Aura XE 3.5L 4 spd
2000 Saturn SL1 1.9L SOHC (Retired)
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